.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 15px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;

  z-index: 9999;
  transition: top 0.3s ease;
}

.site-header.hidden {
  top: -120px; /* slide header up completely */
}



.logo img {
  height: 60px;
  background: #fff;
  padding: 5px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.nav-menu ul {
  list-style: none;
  display: flex;
  gap: 30px;
  margin: 0;
}

.nav-menu a {
  text-decoration: none;
  color: #fff;
  font-weight: 900;
  font-size: 28px;
  transition: color 0.3s;
}

.nav-menu a:hover { color: #ffdd33; }

.header-icons {
  display: flex;
  align-items: center;
  gap: 20px;
  color: #fff;
  font-size: 20px;
}

.header-icons button {
  background: none;
  border: none;
  cursor: pointer;
  color: #fff;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(0,24,72,0.95);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  transition: right 0.4s ease;
}
.mobile-menu.active { display: flex; }
.mobile-menu button {
  position: absolute;
  top: 20px; right: 20px;
  font-size: 32px;
  background: none; border: none; color: #fff;
}
.mobile-menu ul { list-style: none; text-align: center; padding: 0; }
.mobile-menu ul li { margin: 20px 0; }
.mobile-menu ul li a {
  text-decoration: none;
  color: #fff;
  font-size: 28px;
  font-weight: bold;
  transition: color 0.3s;
}
.mobile-menu ul li a:hover { color: #ffdd33; }

@media (max-width: 768px) { .nav-menu { display: none; } }